This is what a 20 year old pair of black ocellaris clownfish look like

Sometimes we like to be proud of some of our home aquarium fish which are pushing five, eight, and even ten years old, but that’s nothing compared to some really old fish. We’ve shared the 40 year old sixbar angelfish living…

Peppermint Angels are officially making their way around the world

As we all know, there are thousands of different species of fish available in the aquarium trade, and we all have our favorites. There is no denying, however, that the Peppermint Angelfish, Paracentyropyge boylei, is by far one of the most highly…

BlueSpace and Crazy Aquarium in Bangkok is a mecca for Anthias and well groomed reef fish

In the second part of our Thailand escapade, we navigate through the labyrinth that is Jatujak. Jatujak, or JJ market, is a humongous fair that happens every weekend. The market contains over 15,000 stalls spanning 35 acres, and sells everything…

Longfin clownfish clinches title for “guppy of the marine aquarium”

While “Guppy of the Marine Aquarium” has long been a title bestowed upon the Banggai Cardinalfish, I’ve long felt that the true guppy of the marine aquarium world, with its ubiquity of hobbyist breeding and ever-increasing diversity of aberrant, non-wild…

Pygmy Angel Formula is loaded with juicy sponge and algae

Ocean Nutrition’s Pygmy Angel Formula is a new frozen food recipe which is aimed squarely at the flames, coral beauties, and similar species of dwarf angelfishes. Based off of the most recnt understanding about the diet of Centropyge species, the…

Centropye nahackyi found swimming far from home in Hawaii

Centropyge nahackyi is a super rare marine angelfish from the Pacific Ocean which is occasionally found in Hawaii, but isn;t really considered a Hawaiian species. A small, young juvenile specimen has recently been discovered swimming on a Hawaiian reef where…

Tales from Thailand: Chingchai’s incredible DSPS tank

Having just returned from an amazing trip in Bangkok, it would almost be considered criminal if we weren’t going to spill and share on the reefing goodies this amazing city has to offer. Like our previous recount of BlueHarbor in…

5 Factors Leading to Long-Term Dietary Deficiencies in Marine Aquarium Fish

The occasional loss of fish is an unavoidable reality of marine aquarium keeping. Fish have a finite lifespan, and some are destined to pass away in captivity, even when they’re provided the best possible environment and care. But more often…

BlueHarbor’s current inventory is brimming with the rarest reef fish

From the Southern Pacific to Curacao to Hawaii and homeland Japan, BlueHarbor never looked so amazing this week with what could be the most intense collection of fish ever at any one time. Just when we think the man in…

Reef Builders’ YouTube channel is up to 200+ videos!

Here at Reef Builders we’ve been doing our fish, coral and reef aquarium blogging thing for a long time now. Every where we go around the world, our aim is to document the coolest aquarium things that you’ve never seen, and…